OY

Osamu Yamamoto

NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #3,838,045 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5263427 Catamaran Yasuhiro Kitamura, Masahiro Kishimoto 1993-11-23